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Ōmu North Breakwater Lighthouse

Fl (2) Red 6s🇯🇵Oumu, JPOperational

Location & Light Range

About Ōmu North Breakwater Lighthouse

A round, cylindrical concrete tower, 11 meters high, painted red. It was constructed and first illuminated in 1934. The light has a geographic range of 11 nautical miles. The structure includes a lantern and a gallery. In 2005, it was moved to its current position on the north breakwater of the port of Oumu.

Why it matters: This light, showing a red flash every 6 seconds, serves as a marker for the north breakwater of the Oumu harbor entrance.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1934

Significant events: relocated in 2005

References & Identifiers

Nearest Port
Omu(0.1 km)
ARLHS No.
JPN-940

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, painted red

Location

City
Oumu
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
on the north breakwater of the main harbor of Ōmu
Latitude
44.5862°
Longitude
142.9689°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ōmu North Breakwater Lighthouse at night?+
Ōmu North Breakwater displays the characteristic Fl (2) Red 6s — 2 red flashes every 6 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The red color may indicate a specific sector or warning zone.
Is Ōmu North Breakwater Lighthouse still active and maintained?+
Yes, Ōmu North Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Ōmu North Breakwater Lighthouse?+
You can track vessels near Ōmu North Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.